:root {
  --bg: #0b1220;
  --panel: #121c30;
  --text: #e8eefc;
  --muted: #9db0d4;
  --accent: #56a3ff;
  --ok: #27c08a;
  --mid: #f4be37;
  --high: #ff6b6b;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Noto Sans TC", "PingFang TC", sans-serif;
  background: linear-gradient(165deg, #090f1b, #121f36);
  color: var(--text);
}

.hero {
  padding: 2rem 1.2rem 1rem;
  text-align: center;
}

.hero h1 { margin-bottom: 0.5rem; }
.hero p { color: var(--muted); max-width: 900px; margin: 0 auto; }

.layout {
  display: grid;
  grid-template-columns: minmax(280px, 420px) 1fr;
  gap: 1rem;
  padding: 1rem;
}

.panel {
  background: rgba(18, 28, 48, 0.92);
  border: 1px solid rgba(86, 163, 255, 0.2);
  border-radius: 14px;
  padding: 1rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(120px, 1fr));
  gap: 0.8rem;
}

label, fieldset { font-size: 0.9rem; color: var(--muted); }
input, select, button {
  width: 100%;
  margin-top: 0.35rem;
  background: #0d172a;
  color: var(--text);
  border: 1px solid #2a3d64;
  border-radius: 8px;
  padding: 0.55rem 0.65rem;
}

fieldset.checks {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(130px, 1fr));
  gap: 0.35rem 0.8rem;
  border: 1px dashed #355182;
  border-radius: 10px;
}

fieldset.checks label { display: flex; align-items: center; gap: 0.45rem; color: var(--text); }
fieldset.checks input { width: auto; margin-top: 0; }

.actions {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
}

button { cursor: pointer; background: var(--accent); border: none; font-weight: 600; }
button.secondary { background: transparent; border: 1px solid #4c72b5; }

.result-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
}

#summary { color: var(--muted); font-size: 0.88rem; }

.table-wrap { overflow: auto; margin-top: 0.6rem; }

table { width: 100%; border-collapse: collapse; min-width: 760px; }
th, td { border-bottom: 1px solid #263a61; padding: 0.7rem; vertical-align: top; text-align: left; }
th { color: #bfd1f3; font-size: 0.9rem; }
.desc { color: var(--muted); margin-top: 0.2rem; font-size: 0.85rem; }

.badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
}
.level-高 { background: rgba(255, 107, 107, 0.2); color: var(--high); }
.level-中 { background: rgba(244, 190, 55, 0.2); color: var(--mid); }
.level-低 { background: rgba(39, 192, 138, 0.2); color: var(--ok); }

footer { padding: 0.8rem 1rem 1.4rem; color: var(--muted); text-align: center; font-size: 0.85rem; }

@media (max-width: 980px) {
  .layout { grid-template-columns: 1fr; }
  .grid { grid-template-columns: 1fr; }
  fieldset.checks { grid-template-columns: 1fr; }
}